Universal joint.



PATENTED MAR. 28, 1905..

G. w. TONIBY. UNIVERSAL JOINT., APPLIOATION FILED JULY 11, 1904.

w., ff,

:UNITED STATES Patented march 2s, 1905.

PATENT OFFICE.

encarnaV CW. vTo-NEY, oE WALTHAM, MASSACHUSETTS, ASSiGNoa To FRANK BURGESS, ory QUINCY, MASSACHUSETTS.

uNlvlsRsAu.` .uom-r.

SPECIFICATION forming part of Letters Patent No. 785,839, dated'March 28, 1905.

Application filed July 11| 1904. Serial No. 216,008. A

To all whom. uit may concern.

Be it knownthat I, GEoRGE W. Tonny, a citizen of the United States, residing at Waltham,

in the county of Middlesex and State of Massachusetts, have invented new and useful Improvements in Universal Joints, of which the followingis a specification.

The object of thisinvention is to providea strong, simple, and durable universal joint ,which shall present a large bearing-surface in proportion to itsdiameter and which shall also present a neat and finished4 appearance, free from projecting'arms or parts which are liableto catch the clothing of operators, resulting in accidents.` L

The invention consists viu the combination and arrangement of parts set forth in the folllowing specication, and particularly pointed viewed from the right of Fig. 3.v Fig. 5 is a' 1 section taken on line 5 5 of Fig. 1 looking toward thev left. Fig. 6 is a section taken on line 6 6 of Fig. 1 looking toward the left in Said figure. Fig. 7 is a plan view of my imimproved joint, partly in section, illustrating different relative positions of the parts i-n dotted lines.

Like numerals refer to like parts through# ll5', located `in the groove 11 and integral, re-

spectively, with shank portions 16 and 16. The shank portions`16and 16"form together a cylindrical shank. The yoke 14 is formed Y in two parts consisting of ring portions 17 17 -locatedin the groove 12 and integral, re-

`Speotively, with shank portions 18 and 18',

said shank portions forming as a whole a cylindrical shank, the plane dividing the yoke 13 in two parts being at right angles to the plane dividing the yoke 14 into two parts. The yokes 13 and 14 are encircled and held together by sleeves 19 and4 20, respectively. The Sleeve 19 is fastened to the Shank 16 hy set- Screws 21 and 22, and the Sleeve 2O is fastened to the shank portion 18 by the Set-Screw 32.

The shank portions 16 and 16 have a cylindrical recess formed therein to receive the shouldered end of the shaft 23, Said shaft being fastened to the shank portion 16' by a key 24.

The yoke 14 is illustrated in a different form from the yoke .13 in that the Same is extended toward'the left, Figs. 1 and 2, to form the shaft portion 25 instead of being made in a separate piece and keyed thereto, as illustrated at the right hand of Figs. 1 and 2 in the case of the shaft 23 and thc yoke 13. lt is evident that without departing from the spirit of my invention the yokes 13 and 14 may be attached to the Sleeves in a variety of ways, and in Fig. 7 the sleeve 20' is shown internally screw-threaded to tit a screwthread formed upon the exterior of the shank portion 172 of the yoke 14.

In order to secure complete lubrication for my improved joint, oil-passages 26 27 are provided, extending diametrically through the hall 10 and' terminating in the grooves 11 and 12, respectively. An oil-supply passage 28 is also provided, which extends inwardly from the periphery of the ball 10 and terminates at the center of said hall at the intersection of the oil-passages 26 and 27. A screwplug 29 is provided to close the oil-supply passage 28.

It will be and 20 is provided with a'concavo-conical end 3() and 31, respectively, which fit the periphery of the ball 10 and also the outer peripheral edgeof all of the annular ring portions 15 15' and 17 17', Said sleeves thus increasing the bearing-surface of the yokes upon the ball of the yjoint and supplying a support for the outer ends of the ring portionsof said joint'- as', for instance,'the outer ends of the ring portions 15 15' are supported by the sleeve 2O Seen that each of the sleeves 19 and the outer ends of the ring portions 17 17' are supported by the sleeve 19,it being read ily seen that the inner ends ofthe ring portions l 15' are also supported by the sleeve 19 and the inner ends of the ring portions 17 17' are supported by the sleeve 20.

ln Fig.` 7 the sleeves 19 and 20 are shown in dotted lines at the` extreme angle which these sleeves can in any event assume, and in this extreme position the adjacent edges of said sleeves contact one with the other, as illustrated in said Fig. 7, before the extremity of the annular ring portion contacts with the annular ring portiong17, this construction resulting in imparting great strength to the joint and removing any tendency to break the ring portions 15 15 and 17 17 noted that the edges 33 and 34E-of the sleeves are charntered, so that when the parts of the joint are in the angular positions illustrated in dotted lines, Fig. 7 said edges will form a practical bearing one against the other without tendency to rough up said edges or pry said edges apart and away from the ball and lthe shank portion 18 and interior of ,the sleeve 20-so that the lubricant, which has been fed -intol the passage 27 through the oilpassage Q8, works outwardly therefrom between the periphery of the ball and the inner surface of said ring portions and into said recess, so that said recess forms a reservoir to hold a 1ubricant, which is transferred therefrom to the llt will also be 'messe Having thus described my invention, what ll claim, and desire byL-etters Patent to secure,

1. A Vuniversal joint coniprisinga ball provided in its periphery with two annular grooves at right angles to each other, two yokes each consisting of an annular ring portion located in said grooves, respectively, and a cylindrical shank portion; each of said shank portions divided in two parts by planes at right angles to each other, and a cylindrical sleeve encircling and fast 'to each of said cylindrical Shanks.

2. A. universal joint comprising a ball provided in its periphery with two annular grooves at right angles to each other., two yokes each consisting of an annular ring portion located in said grooves, respectively, and acylindrical shank'portion; each of said shank portions divided in two parts by planes at right angles to each other, and a cylindrical sleeve encircling and fast to each ot said cylindrical Shanks, saidv sleeves each provided with a concavo-conical end formed to lit the periphery of said ball and the louter peripheral edge of said annular ring portions. k

lin testimony whereof ll have hereunto set my hand in presence of two subscribing witnesses.

GEORGE W. TONEY.

Witnesses:

CHARLES S. Goonrne, SYDNEY E. TAFT. 

